News tagged with deoxyribonucleic acid
DNA template could explain evolutionary shifts
Jun 21, 2009 |
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Rearrangements of all sizes in genomes, genes and exons can result from a glitch in DNA copying that occurs when the process stalls at a critical point and then shifts to a different genetic template, duplicating and even ...
New tool isolates RNA within specific cells (w/Video)
May 18, 2009 |
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A team of University of Oregon biologists, using fruit flies, has created a way to isolate RNA from specific cells, opening a new window on how gene expression drives normal development and disease-causing ...
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Brain's endocannabinoid signaling pathway kept in check by two enzymes
Nov 25, 2009 |
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(PhysOrg.com) -- A research team has shown that blocking the degradation of two naturally occurring cannabinoids in the endocannabinoid signaling pathway of the brain produces marijuana-like behavioral effects in mice, according ...
Scientists report first effective medical therapy for rare stomach disorder
Nov 25, 2009 |
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A drug used to treat colorectal cancer also can reverse a rare stomach disorder and should be considered first-line therapy for the disease, researchers at Vanderbilt University Medical Center report this week.
Cells defend themselves from viruses, bacteria with armor of protein errors
Nov 25, 2009 |
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When cells are confronted with an invading virus or bacteria or exposed to an irritating chemical, they protect themselves by going off their DNA recipe and inserting the wrong amino acid into new proteins to defend them ...
Study sheds light on brain's fear processing center
Nov 25, 2009 |
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Breathing carbon dioxide can trigger panic attacks, but the biological reason for this effect has not been understood. A new study by University of Iowa researchers shows that carbon dioxide increases brain acidity, which ...
Tailor-made HIV/AIDS treatment closer to reality
Medicine & Health / HIV & AIDS
Nov 25, 2009 |
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An innovative treatment for HIV patients developed by McGill University Health Centre researchers has passed its first clinical trial with flying colours. The new approach is an immunotherapy customized for each individual ...
Probing life's extremes in Yellowstone (w/ Podcast)
Nov 24, 2009 |
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(PhysOrg.com) -- Idaho National Laboratory biologist Frank Roberto squats on a bare, gravelly patch of ground in Yellowstone National Park's rolling backcountry. At his feet, scalding water churns in a mustard-yellow ...
A sticky solution for identifying effective probiotics
Nov 24, 2009 |
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Scientists have crystallised a protein that may help gut bacteria bind to the gastrointestinal tract. The protein could be used by probiotic producers to identify strains that are likely to be of real benefit to people.
Against expectations, genetic variation does not alter asthma treatment response
Nov 24, 2009 |
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(PhysOrg.com) -- Studies have suggested that asthma patients with a specific genetic variation might not respond as well to certain treatments as those with a different variation. But a new study in this week's edition of ...
Metobolomics uncovers key indicators of nonalcoholic fatty liver disease
Nov 24, 2009 |
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A recent metobolomics study by researchers from Virginia Commonwealth University Medical Center in Richmond found that impaired peroxisomal oxidation of polyunsaturated fatty acids (PUFA) is associated with the progression ...
Multitasking may be Achilles heel for hepatitis C
Nov 23, 2009 |
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(PhysOrg.com) -- Hepatitis C, a formidable virus that affects 130 million people worldwide, is nursing some pretty impressive bruises. By knocking out sections and subsections of one of its proteins, scientists reveal weak ...
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